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Finding the Fourth Proportional to 79,871.94, 110,236.32 and 48,058.38

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Solution

The fourth proportional to 79,871.94, 110,236.32 and 48,058.38 is: 66,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.94 : 110,236.32 = 48,058.38 : x
  2. Step 2: Convert to fraction form
    79,871.94/110,236.32 = 48,058.38/x
  3. Step 3: Cross multiply
    79,871.94x = 110,236.32 × 48,058.38
  4. Step 4: Simplify right side
    79,871.94x = 5,297,778,956.36
  5. Step 5: Solve for x
    x = 5,297,778,956.36/79,871.94
  6. Step 6: Final answer
    x = 66,328.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.